<!DOCTYPE html>
<style>
#box {
  position: absolute;
  left: 300px;
  top: 150px;
  width: 50px;
  height: 50px;
  background-color: green;
}
</style>
Same as background-paint-scrolled.html but scrolls the changed box out of view then back in.
<div id="box"></div>
<div style="height: 2000px"></div>
